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Diffstat (limited to 'src/engine/Buffer.h')
-rw-r--r-- | src/engine/Buffer.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/engine/Buffer.h b/src/engine/Buffer.h deleted file mode 100644 index 13d62727..00000000 --- a/src/engine/Buffer.h +++ /dev/null @@ -1,91 +0,0 @@ -/* This file is part of Om. Copyright (C) 2006 Dave Robillard. - * - * Om is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Om is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef BUFFER_H -#define BUFFER_H - -#include <cstddef> -#include <cassert> -#include "util/types.h" - -namespace Om { - - -template <typename T> -class Buffer -{ -public: - Buffer(size_t size); - - void clear(); - void set(T val, size_t start_sample); - void set(T val, size_t start_sample, size_t end_sample); - void scale(T val, size_t start_sample, size_t end_sample); - void copy(const Buffer<T>* src, size_t start_sample, size_t end_sample); - void accumulate(const Buffer<T>* src, size_t start_sample, size_t end_sample); - - void join(Buffer* buf); - void unjoin(); - - inline T& value_at(size_t offset) { assert(offset < m_size); return m_data[offset]; } - - void prepare(samplecount nframes); - - void filled_size(size_t size) { m_filled_size = size; } - size_t filled_size() const { return m_filled_size; } - bool is_joined() const { return m_is_joined; } - size_t size() const { return m_size; } - T* data() const { return m_data; } - -protected: - enum BufferState { OK, HALF_SET_CYCLE_1, HALF_SET_CYCLE_2 }; - - void allocate(); - void deallocate(); - - size_t m_size; ///< Allocated buffer size - size_t m_filled_size; ///< Usable buffer size (for MIDI ports etc) - bool m_is_joined; ///< Whether or not @ref m_data is shares with another Buffer - BufferState m_state; ///< State of buffer for setting values next cycle - T m_set_value; ///< Value set by @ref set (may need to be set next cycle) - - T* m_data; ///< Buffer to be returned by data() (not equal to m_local_data if joined) - T* m_local_data; ///< Locally allocated buffer -}; - - -/** Less robust Buffer for Driver's use. - * - * Does not allocate an array by default, and allows direct setting of - * data pointer for zero-copy processing. - */ -template <typename T> -class DriverBuffer : public Buffer<T> -{ -public: - DriverBuffer(size_t size); - - void set_data(T* data); - -private: - using Buffer<T>::m_data; - using Buffer<T>::m_is_joined; -}; - - -} // namespace Om - -#endif // BUFFER_H |